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The original was posted on /r/nfa by /u/CowardlyAngel on 2025-10-06 15:23:29+00:00.


It’s just way too gassy for me no matter what I do. I’m shooting it on an 11.5" Sionics ERGP upper and the blowback to my eyes and nose is still significant after some AGB tuning and other changes.

I’m looking for a well-rounded replacement that excels in low back pressure and sound. I’ll be direct mounting it. Here’s what I’m considering, what would you choose?

  • Rhino S
  • CAT WB
  • CAT KK
  • Flow 556 Ti